Protesters March to Daley Plaza for #NATO3

The group is organizing on twitter using the hashtag #NATO3

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Using cameras a police officer squares off with protestors during a demonstration organized by National Nurses United in Daley Plaza where they were calling for a "Robin Hood" tax on stocks, bonds, derivatives and other financial instruments May 18, 2012 in Chicago, Illinois. This was the fifth day of protests in what is expected to be a full week of demonstrations as the city prepares to host the NATO Summit May 20-21.

Brian Church, 20, of Ft. Lauderdale, Fla.; Jared Chase, 24, of Keene, N.H.; and Brent Vincent Betterly, 24, of Oakland Park, Fla., were being held on charges of conspiracy to commit terrorism, possession of an explosive or incendiary device and providing material support.

Their legal team says the charges are trumped up, and that the three men who were charged were subjects of entrapment by police.

Earlier, protesters gathered outside the courthouse where the men received their bond -- $1.5 million each.